Abyssal vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Abyssal	Demonspawn	Spirit	Support	Rare	Speed 16% Place: Crypts
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Abyssal	60	6	18330	815	991	95	15	50	30	0
Gravechill Killer	60	6	13545 -4785	1233 +418	892 -99	96 +1	15	50	30	10 +10

Abyssal	Void Gaze Formula: 2.8*ATK Attacks all enemies. Has a 15% chance of placing a [Block Buffs] debuff for 2 turns. Block Buffs	Abyssal Renewal Formula: 0.15*TRG_HP Heals all allies by 15% of their MAX HP. Cooldown: 4	Wards of Madness Places a 30% [Increase DEF] buff and a 25% [Increase ATK] buff on all allies for 2 turns. Cooldown: 6 Increase ATK 25% Increase DEF 30%
Gravechill Killer	Freezing Toxin Formula: 3.9*ATK Attacks 1 enemy. Has a 40% chance of placing a 5% [Poison] debuff for 1 turn. Poison 5%	Blood Chill Formula: 6.8*ATK Attacks 1 enemy. Has a 75% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Has a 75% chance of placing a 60% [Decrease DEF] debuff instead if the target is under a [Poison] debuff. Cooldown: 4 Decrease DEF 60% Decrease DEF 30%	Icy Veins Formula: 2.65*ATK Attacks 1 enemy 2 times.Each hit places a 2.5% [Poison] debuff for 2 turns. Places a 5% [Poison] debuff instead if the target is under a [Poison Sensitivity] debuff. Cooldown: 5 Poison 2.5% Poison 5%